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Finding the Third Proportional to 91,015,431 and 200,582,706

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Solution

The third proportional to 91,015,431 and 200,582,706 is: 442,050,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,015,431 : 200,582,706 = 200,582,706 : x
  2. Step 2: Convert to fraction form
    91,015,431/200,582,706 = 200,582,706/x
  3. Step 3: Cross multiply
    91,015,431x = 200,582,706 × 200,582,706
  4. Step 4: Simplify right side
    91,015,431x = 40,233,421,946,282,432
  5. Step 5: Solve for x
    x = 40,233,421,946,282,432/91,015,431
  6. Step 6: Final answer
    x = 442,050,556.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.